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12320223313 = 65511880663
BaseRepresentation
bin10110111100101011…
…11011000001010001
31011210121200012011011
423132111323001101
5200212434121223
65354305050521
7614210112256
oct133625730121
934717605134
1012320223313
115252499142
12247a026a41
1312145c3588
1484c37742d
154c192680d
hex2de57b051

12320223313 has 4 divisors (see below), whose sum is σ = 12322110528. Its totient is φ = 12318336100.

The previous prime is 12320223283. The next prime is 12320223319. The reversal of 12320223313 is 31332202321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12320223313 - 217 = 12320092241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320223319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933781 + ... + 946882.

It is an arithmetic number, because the mean of its divisors is an integer number (3080527632).

Almost surely, 212320223313 is an apocalyptic number.

It is an amenable number.

12320223313 is a deficient number, since it is larger than the sum of its proper divisors (1887215).

12320223313 is an equidigital number, since it uses as much as digits as its factorization.

12320223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887214.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12320223313 its reverse (31332202321), we get a palindrome (43652425634).

The spelling of 12320223313 in words is "twelve billion, three hundred twenty million, two hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 6551 1880663 12320223313